Stored energy had a way of leaking, no matter what was done to stop it. That was another aspect of the all-embracing, irresistible second law of ther… - Isaac Asimov

It might seem to you, Peter, that a truck driver, one step above an ape in your view, can't remember. But truck drivers can have brains, too.

...el hombre ha tratado siempre de rehuir el concepto de infinitud, ya sea del espacio o del tiempo, como algo imposible de concebir y entender, y por ende, como un concepto con el que no es fácil trabajar ni razonar.

All normal life, Peter, consciously or otherwise, resents domination. If the domination is by an inferior, or by a supposed inferior, the resentment becomes stronger. Physically, and, to an extent, mentally, a robot — any robot — is superior to human beings. What makes him slavish, then? Only the First Law! Why, without it, the first order you tried to give a robot would result in your death. Unstable? What do you think?